<!--
 * @Author: your name
 * @Date: 2021-08-20 17:09:17
 * @LastEditTime: 2021-08-20 17:17:32
 * @LastEditors: Please set LastEditors
 * @Description: background
 * @FilePath: \代码\day04\6-background.html
-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>background</title>
    <style>
        .html,.body {
            margin: 0px;
        }
        .header {
            background-color: #f3f3f3;
            background-image: url(./images/header.png);
            background-repeat: no-repeat;
            background-size: 60%;
            background-position: 0px 0px;
            height: 100px;
        }
    </style>
</head>
<body class="header">
    hello world
</body>
</html>
